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Subtract 5/7 from 20/4

1st number: 5 0/4, 2nd number: 5/7

20/4 - 5/7 is 30/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28
  2. For the 1st fraction, since 4 × 7 = 28,
    20/4 = 20 × 7/4 × 7 = 140/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    5/7 = 5 × 4/7 × 4 = 20/28
  4. Subtract the two fractions:
    140/28 - 20/28 = 140 - 20/28 = 120/28
  5. After reducing the fraction, the answer is 30/7
  6. In mixed form: 42/7

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